Abstract: Previous research has demonstrated that bullying is a significant problem experienced by students. Bullying can be categorized as direct or indirect. Direct bullying is overt and may involve actions such as physical or verbal aggression; indirect bullying is covert and may involve actions such as spreading rumors about others or socially excluding others from group activities. This study examined differences in perceptions for different types of bullying based on sex. Participants read scenarios that depicted different types of bullying. After each scenario, participants responded to several questions that assessed their perceptions of seriousness of the bullying in the scenario and the likely emotional outcome for the victim in the scenario. Two 2 (male or female) x 2 (type of bullying) mixed model ANOVAs were used to examine differences in perceptions of seriousness and emotional outcome for the victim based on sex across type of bullying behavior. Significant sex differences in ratings of perceived seriousness and emotional outcome for bullying behaviors were found. Males rated perceived seriousness and emotional outcome lower than females regardless of type of bullying behavior. Results also indicated a significant difference in perceived seriousness and emotional outcome of direct versus indirect bullying behaviors. Participants, regardless of sex, perceived direct bullying as more serious and likely to have a more significant emotional outcome than indirect bullying. Exploratory analyses were also conducted to examine additional sex differences. The results of exploratory analyses and implications for future research will be discussed in the paper.